For Exercises 4 through 13, assume all variables are binomial. (Note: If values are not found in Table B of Appendix C, use the binomial formula.)Labor Force Couples The percentage of couples where both parties are in the labor force is 52.1. Choose 5 couples at random. Find the probability that a. None of the couples have both persons working b. More than 3 of the couples have both persons in the labor force c. Fewer than 2 of the couples have both parties working

Statistics for Psychology Concept 2 * z-test * single sample t test * used to compare a sample mean to a population with known mean, but the variance of the population is unknown * dependent means t test * also known as a “repeated measures” or “within subjects” research design because it compares two scores for each individual in the sample * Looks for a before...